7661740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 16853760

約数和(自身を除く): 9192020

約数列:

[1, 2, 4, 5, 10, 20, 43, 59, 86, 118, 151, 172, 215, 236, 295, 302, 430, 590, 604, 755, 860, 1180, 1510, 2537, 3020, 5074, 6493, 8909, 10148, 12685, 12986, 17818, 25370, 25972, 32465, 35636, 44545, 50740, 64930, 89090, 129860, 178180, 383087, 766174, 1532348, 1915435, 3830870, 7661740]

約数ペア:

[(1, 7661740), (2, 3830870), (4, 1915435), (5, 1532348), (10, 766174), (20, 383087), (43, 178180), (59, 129860), (86, 89090), (118, 64930), (151, 50740), (172, 44545), (215, 35636), (236, 32465), (295, 25972), (302, 25370), (430, 17818), (590, 12986), (604, 12685), (755, 10148), (860, 8909), (1180, 6493), (1510, 5074), (2537, 3020)]